Evaluation of physical and microstructural properties of hydroxypropylmethyl nanocomposite edible film Cellulose contains nanoclay and essential oil

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Faghei Shahrbabaki Mohamad; Shahab Lavasani Alireza; Zand Nazanin; Nateghi Leila; Eshaghi Mohammad Reza

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Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED MICROBIOLOGY IN FOOD INDUSTRY Year:2023 | Volume:9 | Issue:4 Page(s): 45-57

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Title

Evaluation of physical and microstructural properties of hydroxypropylmethyl nanocomposite edible film Cellulose contains nanoclay and essential oil

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Keywords

dill essential oil

hydroxypropyl methyl cellulose film

response surface design

nanosoil

Abstract

2The use of edible coatings as a food storage method and as a technique to maintain and improve quality during storage is of great importance. The aim of this study is to optimize the formulation of hydroxypropyl methyl cellulose nanocomposite film containing nanoclay and dill essential oil. In this research, An optimized sample of hydroxypropyl methyl cellulose nanocomposite film containing nanoclay and dill essential oil containing 26.4% by weight of nanoclay and 1.70% dill essential oil was reproduced and its physical and microstructural parameters included Elongation to breaking point, solubility in water and permeability to water vapor were evaluated by infrared spectroscopy and thermal changes of the optimal sample were evaluated against the control sample and the sample without essential oil. The results showed that the optimal sample of HPMC film had the lowest force required to tear, the lowest water vapor penetration and the lowest solubility in water, compared to other samples. The results of FTIR analysis also showed that all the peaks in the control film were more intense than the spectra of the films containing nanoclay and essential oil, and with the increase in the amount of nanoclay in the film samples, the glass transition temperature increased. Based on the results of the present study, it can be said that using the optimal sample of hydroxypropyl methyl cellulose film containing nanoclay and dill essential oil can be used as an edible coating.

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